C-50: Dual Core low power processor with an integrated graphics cards. Due to the low clock speed, the CPU should be only as fast as a single core Atom CPU, but offers a faster integrated GPU.» Further information can be found in our Comparison of Mobile Processsors.

10.1":

This is a typical display size for tablets and small convertibles.

Large display-sizes allow higher resolutions. So, details like letters are bigger. On the other hand, the power consumption is lower with small screen diagonals and the devices are smaller, more lightweight and cheaper.